diff --git a/diagnose.h b/diagnose.h
index 7a4951a786..f525219ab0 100644
--- a/diagnose.h
+++ b/diagnose.h
@@ -2,7 +2,8 @@
 #define DIAGNOSE_H
 
 #include "strbuf.h"
-#include "parse-options.h"
+
+struct option;
 
 enum diagnose_mode {
 	DIAGNOSE_NONE,
diff --git a/list-objects-filter-options.h b/list-objects-filter-options.h
index 1fe393f447..aad295f232 100644
--- a/list-objects-filter-options.h
+++ b/list-objects-filter-options.h
@@ -2,9 +2,10 @@
 #define LIST_OBJECTS_FILTER_OPTIONS_H
 
 #include "cache.h"
-#include "parse-options.h"
 #include "string-list.h"
 
+struct option;
+
 /*
  * The list of defined filters for list-objects.
  */
diff --git a/ref-filter.h b/ref-filter.h
index aa0eea4ecf..daa6d02017 100644
--- a/ref-filter.h
+++ b/ref-filter.h
@@ -4,7 +4,6 @@
 #include "oid-array.h"
 #include "refs.h"
 #include "commit.h"
-#include "parse-options.h"
 
 /* Quoting styles */
 #define QUOTE_NONE 0
@@ -24,6 +23,7 @@
 
 struct atom_value;
 struct ref_sorting;
+struct option;
 
 enum ref_sorting_order {
 	REF_SORTING_REVERSE = 1<<0,
diff --git a/remote.h b/remote.h
index 1ebbe42792..92eccf22ec 100644
--- a/remote.h
+++ b/remote.h
@@ -2,10 +2,10 @@
 #define REMOTE_H
 
 #include "cache.h"
-#include "parse-options.h"
 #include "hashmap.h"
 #include "refspec.h"
 
+struct option;
 struct transport_ls_refs_options;
 
 /**
diff --git a/revision.h b/revision.h
index 30febad09a..d5b26db955 100644
--- a/revision.h
+++ b/revision.h
@@ -2,7 +2,6 @@
 #define REVISION_H
 
 #include "commit.h"
-#include "parse-options.h"
 #include "grep.h"
 #include "notes.h"
 #include "pretty.h"
@@ -61,6 +60,8 @@ struct string_list;
 struct saved_parents;
 struct bloom_key;
 struct bloom_filter_settings;
+struct option;
+struct parse_opt_ctx_t;
 define_shared_commit_slab(revision_sources, char *);
 
 struct rev_cmdline_info {